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ATI Audio Inc BI-400 - 4-Channel Bi-directional Level Matching Device

B&H # ATBI400 MFR # BI400
No Longer Available

The ATI Audio BI-400 is a bi-directional +4 to -10dBu level matching device equipped with 4 channels of I/O on XLR and RCA phono connectors.

The BI-400 allows for the integration of unbalanced consumer audio devices with professional mixing consoles and other balanced gear, for both recording and playback purposes, eliminating RF pickup, hum high frequency roll-off and other familiar aberrations associated with consumer and pro co-integration.

The BI-400 is a 1/3-space 1RU rack unit, and may also be desktop or console mounted, offering an ultra-clean user interface consisting of 4 front-panel trim controls and an activity LED for simplified, intuitive operation.

Bi-directional 4-channel level matching device for professional and consumer recording and playback co-integration
Eliminates hum, distortion, ground-coupled crosstalk and RF loops associated with low-level consumer IHF outputs and studio/broadcast professional 600 Ohm balanced systems
1/3-space 1RU rackmount or console/desktop mounting
Ultra-quiet, high-headroom operation
Clean user interface with front-panel trim controls
Loop-thru DC connectors on rear panel for shared power daisy-chain operation from single power supply
Frequency Response 20 Hz - 20 kHz, +2.5dB (per stereo channel)
Noise Level -90dBu(max. output bal.)
-80dBu(max. output unbal.)
Maximum Input Level Balanced: +22dBm
Unbalanced: +8dBm in
Maximum Output Level +8dBu(2.0V)
+22dBu(2.0V)
Input Connectors 2 x 3-pin XLR Female, Balanced
2 x RCA Phono, Unbalanced
Output Connectors 2 x 3-pin XLR Male, Balanced
2 x RCA Phono, Unbalanced
Input Impedance Balanced: 20 kOhm, Bridging
Unbalanced: 10 kOhm
Output Impedance Balanced: 40 Ohms max.
Unbalanced: 1500 Ohms max.
Dimensions 1.5 x 5.5 x 5.75" (38.1 x 139.7 x 146mm)
Weight 1.5 lb (0.68 kg)
ATI Audio Inc BI-400 - 4-Channel Bi-directional Level Matching Device
  • 1 Year Warranty
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